DAN RATHBONE & JOE STRINGER PROMCON 2017, AUGUST 2017

The Uninstrumentable; Getting Apache Spark and Prometheus to Play Nicely

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● Healthcare data processing system using Apache PySpark

● Failed attempts and the crazy ideas that followed

● Actually working with lots of pretty graphs

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https://cwiki.apache.org/confluence/display/SPARK/PySpark+Internals7

8https://cwiki.apache.org/confluence/display/SPARK/PySpark+Internals

“Occasionally you will need to monitor components which cannot be scraped. They might live behind a firewall, or they might be too short-lived to expose data reliably via the pull model. The Prometheus Pushgateway allows you to push time series from these components to an intermediary job which Prometheus can scrape.”

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“The Pushgateway is explicitly not an aggregator or distributed counter but rather a metrics cache”

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● Realtime is worth the effort, visibility is key

● Nothing’s uninstrumentable

● The solution is often quite simple

● Prometheus is pretty flexible

JOE STRINGER

@joeds13

DAN RATHBONE

@thetrilemma

www.infinityworks.com